public function init()
 {
     global $cookie, $smarty, $cart, $iso, $defaultCountry, $protocol_link, $protocol_content, $link, $css_files, $js_files;
     if (self::$initialized) {
         return;
     }
     self::$initialized = true;
     $css_files = array();
     $js_files = array();
     if ($this->ssl and (empty($_SERVER['HTTPS']) or strtolower($_SERVER['HTTPS']) == 'off') and Configuration::get('PS_SSL_ENABLED')) {
         header('HTTP/1.1 301 Moved Permanently');
         header('Location: ' . Tools::getShopDomainSsl(true) . $_SERVER['REQUEST_URI']);
         exit;
     }
     ob_start();
     /* Loading default country */
     $defaultCountry = new Country((int) Configuration::get('PS_COUNTRY_DEFAULT'), Configuration::get('PS_LANG_DEFAULT'));
     $cookieLifetime = time() + ((int) Configuration::get('PS_COOKIE_LIFETIME_FO') > 0 ? (int) Configuration::get('PS_COOKIE_LIFETIME_FO') : 1) * 3600;
     $cookie = new Cookie('ps', '', $cookieLifetime);
     $link = new LinkConfiguradorCore();
     if ($this->auth and !$cookie->isLogged($this->guestAllowed)) {
         Tools::redirect('authentication.php' . ($this->authRedirection ? '?back=' . $this->authRedirection : ''));
     }
     /* Theme is missing or maintenance */
     if (!is_dir(_PS_THEME_DIR_)) {
         die(Tools::displayError('Current theme unavailable. Please check your theme directory name and permissions.'));
     } elseif (basename($_SERVER['PHP_SELF']) != 'disabled.php' and !(int) Configuration::get('PS_SHOP_ENABLE')) {
         $this->maintenance = true;
     } elseif (Configuration::get('PS_GEOLOCATION_ENABLED')) {
         $this->geolocationManagement();
     }
     // Switch language if needed and init cookie language
     if ($iso = Tools::getValue('isolang') and Validate::isLanguageIsoCode($iso) and $id_lang = (int) Language::getIdByIso($iso)) {
         $_GET['id_lang'] = $id_lang;
     }
     Tools::switchLanguage();
     Tools::setCookieLanguage();
     /* attribute id_lang is often needed, so we create a constant for performance reasons */
     if (!defined('_USER_ID_LANG_')) {
         define('_USER_ID_LANG_', (int) $cookie->id_lang);
     }
     if (isset($_GET['logout']) or $cookie->logged and Customer::isBanned((int) $cookie->id_customer)) {
         $cookie->logout();
         Tools::redirect(isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : NULL);
     } elseif (isset($_GET['mylogout'])) {
         $cookie->mylogout();
         Tools::redirect(isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : NULL);
     }
     global $currency;
     $currency = Tools::setCurrency();
     /* Cart already exists */
     if ((int) $cookie->id_cart) {
         $cart = new Cart((int) $cookie->id_cart);
         if ($cart->OrderExists()) {
             unset($cookie->id_cart, $cart, $cookie->checkedTOS);
         } elseif (intval(Configuration::get('PS_GEOLOCATION_ENABLED')) and !in_array(strtoupper($cookie->iso_code_country), explode(';', Configuration::get('PS_ALLOWED_COUNTRIES'))) and $cart->nbProducts() and intval(Configuration::get('PS_GEOLOCATION_NA_BEHAVIOR')) != -1 and !self::isInWhitelistForGeolocation()) {
             unset($cookie->id_cart, $cart);
         } elseif ($cookie->id_customer != $cart->id_customer or $cookie->id_lang != $cart->id_lang or $cookie->id_currency != $cart->id_currency) {
             if ($cookie->id_customer) {
                 $cart->id_customer = (int) $cookie->id_customer;
             }
             $cart->id_lang = (int) $cookie->id_lang;
             $cart->id_currency = (int) $cookie->id_currency;
             $cart->update();
         }
         /* Select an address if not set */
         if (isset($cart) && (!isset($cart->id_address_delivery) || $cart->id_address_delivery == 0 || !isset($cart->id_address_invoice) || $cart->id_address_invoice == 0) && $cookie->id_customer) {
             $to_update = false;
             if (!isset($cart->id_address_delivery) || $cart->id_address_delivery == 0) {
                 $to_update = true;
                 $cart->id_address_delivery = (int) Address::getFirstCustomerAddressId($cart->id_customer);
             }
             if (!isset($cart->id_address_invoice) || $cart->id_address_invoice == 0) {
                 $to_update = true;
                 $cart->id_address_invoice = (int) Address::getFirstCustomerAddressId($cart->id_customer);
             }
             if ($to_update) {
                 $cart->update();
             }
         }
     }
     if (!isset($cart) or !$cart->id) {
         $cart = new Cart();
         $cart->id_lang = (int) $cookie->id_lang;
         $cart->id_currency = (int) $cookie->id_currency;
         $cart->id_guest = (int) $cookie->id_guest;
         if ($cookie->id_customer) {
             $cart->id_customer = (int) $cookie->id_customer;
             $cart->id_address_delivery = (int) Address::getFirstCustomerAddressId($cart->id_customer);
             $cart->id_address_invoice = $cart->id_address_delivery;
         } else {
             $cart->id_address_delivery = 0;
             $cart->id_address_invoice = 0;
         }
     }
     if (!$cart->nbProducts()) {
         $cart->id_carrier = NULL;
     }
     $locale = strtolower(Configuration::get('PS_LOCALE_LANGUAGE')) . '_' . strtoupper(Configuration::get('PS_LOCALE_COUNTRY') . '.UTF-8');
     setlocale(LC_COLLATE, $locale);
     setlocale(LC_CTYPE, $locale);
     setlocale(LC_TIME, $locale);
     setlocale(LC_NUMERIC, 'en_US.UTF-8');
     if (Validate::isLoadedObject($currency)) {
         $smarty->ps_currency = $currency;
     }
     if (Validate::isLoadedObject($ps_language = new Language((int) $cookie->id_lang))) {
         $smarty->ps_language = $ps_language;
     }
     /* get page name to display it in body id */
     $page_name = isset($this->php_self) ? preg_replace('/\\.php$/', '', $this->php_self) : '';
     $smarty->assign(Tools::getMetaTags($cookie->id_lang, $page_name));
     $smarty->assign('request_uri', Tools::safeOutput(urldecode($_SERVER['REQUEST_URI'])));
     /* Breadcrumb */
     $navigationPipe = Configuration::get('PS_NAVIGATION_PIPE') ? Configuration::get('PS_NAVIGATION_PIPE') : '>';
     $smarty->assign('navigationPipe', $navigationPipe);
     $protocol_link = (Configuration::get('PS_SSL_ENABLED') or !empty($_SERVER['HTTPS']) and strtolower($_SERVER['HTTPS']) != 'off') ? 'https://' : 'http://';
     $protocol_content = (isset($useSSL) and $useSSL and Configuration::get('PS_SSL_ENABLED') or !empty($_SERVER['HTTPS']) and strtolower($_SERVER['HTTPS']) != 'off') ? 'https://' : 'http://';
     if (!defined('_PS_BASE_URL_')) {
         define('_PS_BASE_URL_', Tools::getShopDomain(true));
     }
     if (!defined('_PS_BASE_URL_SSL_')) {
         define('_PS_BASE_URL_SSL_', Tools::getShopDomainSsl(true));
     }
     $link->preloadPageLinks();
     $this->canonicalRedirection();
     Product::initPricesComputation();
     $display_tax_label = $defaultCountry->display_tax_label;
     if ($cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')}) {
         $infos = Address::getCountryAndState((int) $cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')});
         $country = new Country((int) $infos['id_country']);
         if (Validate::isLoadedObject($country)) {
             $display_tax_label = $country->display_tax_label;
         }
     }
     $smarty->assign(array('link' => $link, 'cart' => $cart, 'currency' => $currency, 'cookie' => $cookie, 'page_name' => $page_name, 'base_dir' => _PS_BASE_URL_ . __PS_BASE_URI__, 'base_dir_ssl' => $protocol_link . Tools::getShopDomainSsl() . __PS_BASE_URI__, 'content_dir' => $protocol_content . Tools::getShopDomain() . __PS_BASE_URI__, 'tpl_dir' => _PS_THEME_DIR_, 'modules_dir' => _MODULE_DIR_, 'mail_dir' => _MAIL_DIR_, 'lang_iso' => $ps_language->iso_code, 'come_from' => Tools::getHttpHost(true, true) . Tools::htmlentitiesUTF8(str_replace('\'', '', urldecode($_SERVER['REQUEST_URI']))), 'cart_qties' => (int) $cart->nbProducts(), 'currencies' => Currency::getCurrencies(), 'languages' => Language::getLanguages(), 'priceDisplay' => Product::getTaxCalculationMethod(), 'add_prod_display' => (int) Configuration::get('PS_ATTRIBUTE_CATEGORY_DISPLAY'), 'shop_name' => Configuration::get('PS_SHOP_NAME'), 'roundMode' => (int) Configuration::get('PS_PRICE_ROUND_MODE'), 'use_taxes' => (int) Configuration::get('PS_TAX'), 'display_tax_label' => (bool) $display_tax_label, 'vat_management' => (int) Configuration::get('VATNUMBER_MANAGEMENT'), 'opc' => (bool) Configuration::get('PS_ORDER_PROCESS_TYPE'), 'PS_CATALOG_MODE' => (bool) Configuration::get('PS_CATALOG_MODE')));
     // Deprecated
     $smarty->assign(array('id_currency_cookie' => (int) $currency->id, 'logged' => $cookie->isLogged(), 'customerName' => $cookie->logged ? $cookie->customer_firstname . ' ' . $cookie->customer_lastname : false));
     // TODO for better performances (cache usage), remove these assign and use a smarty function to get the right media server in relation to the full ressource name
     $assignArray = array('img_ps_dir' => _PS_IMG_, 'img_cat_dir' => _THEME_CAT_DIR_, 'img_lang_dir' => _THEME_LANG_DIR_, 'img_prod_dir' => _THEME_PROD_DIR_, 'img_manu_dir' => _THEME_MANU_DIR_, 'img_sup_dir' => _THEME_SUP_DIR_, 'img_ship_dir' => _THEME_SHIP_DIR_, 'img_store_dir' => _THEME_STORE_DIR_, 'img_col_dir' => _THEME_COL_DIR_, 'img_dir' => _THEME_IMG_DIR_, 'css_dir' => _THEME_CSS_DIR_, 'js_dir' => _THEME_JS_DIR_, 'pic_dir' => _THEME_PROD_PIC_DIR_);
     foreach ($assignArray as $assignKey => $assignValue) {
         if (substr($assignValue, 0, 1) == '/' or $protocol_content == 'https://') {
             $smarty->assign($assignKey, $protocol_content . Tools::getMediaServer($assignValue) . $assignValue);
         } else {
             $smarty->assign($assignKey, $assignValue);
         }
     }
     // setting properties from global var
     self::$cookie = $cookie;
     self::$cart = $cart;
     self::$smarty = $smarty;
     self::$link = $link;
     if ($this->maintenance) {
         $this->displayMaintenancePage();
     }
     if ($this->restrictedCountry) {
         $this->displayRestrictedCountryPage();
     }
     //live edit
     if (Tools::isSubmit('live_edit') and $ad = Tools::getValue('ad') and Tools::getValue('liveToken') == sha1(Tools::getValue('ad') . _COOKIE_KEY_)) {
         if (!is_dir(_PS_ROOT_DIR_ . DIRECTORY_SEPARATOR . $ad)) {
             die(Tools::displayError());
         }
     }
     $this->iso = $iso;
     $this->setMedia();
 }